Walter AG
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Aug 2030
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Jan 9, 2027The maintenance fee for Parting blade and grooving and parting-off tool (US 10,343,222) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
- 2 fees due Mar 10 to 12, 2027 · next Mar 10
- 1 fee due May 26, 2027The maintenance fee for Tool with TiAlCrSiN PVD coating (US 10,487,388) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
- 1 fee due Jun 8, 2027The maintenance fee for Grain boundary engineered alpha-alumina coated cutting tool (US 9,206,510) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
- 2 fees due Jul 2 to 19, 2027 · next Jul 2
- 1 fee due Oct 14, 2027The maintenance fee for Solid-carbide end milling cutter having a TiAlN—ZrN coating (US 10,619,236) comes due Oct 14, 2027. Unpaid by Apr 14, 2028, it lapses early.
- 1 fee due Nov 10, 2027The maintenance fee for Target for arc processes (US 9,334,558) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.
Recent changes
- 2 of the patents on this record were granted since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,691,378 | Cutting tool In force · From the USPTO record | In force | From the USPTO record | |
| US 8,858,666 | Tool coating In force · From the USPTO record | In force | From the USPTO record | |
| US 8,980,446 | PVD Hybrid Method for Depositing Mixed Crystal Layers In force · High confidence | In force | High confidence | |
| US 9,028,954 | Cutting tool with multi-layer coating In force · From the USPTO record | In force | From the USPTO record | |
| US 9,457,409 | Indexable cutting insert and indexable cutting insert holder In force · From the USPTO record | In force | From the USPTO record | |
| US 9,206,510 | Grain boundary engineered alpha-alumina coated cutting tool In force · From the USPTO record | In force | From the USPTO record | |
| US 9,238,267 | Cutting insert and method for production thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,334,558 | Target for arc processes In force · From the USPTO record | In force | From the USPTO record | |
| US 9,476,114 | TiAlN-coated tool In force · From the USPTO record | In force | From the USPTO record | |
| US 9,539,656 | Insert and clamping holder having four-point contacts In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 42: 35 lapsed for an unpaid fee · 27 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
13 pending · 1 abandoned · 14 no status recorded